New Zealand Journal of Geology and Geophysics abstracts

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Records of Nautiloidea (Mollusca: Cephalopoda) across the Cretaceous- Tertiary boundary in Otago and Chatham Islands, New Zealand

JEFFREY D. STILWELL*
ANDREW GREBNEFF

Department of Geology
University of Otago
P.O. Box 56
Dunedin, New Zealand

*Present address: Department of Geology, 2/4 Bessey Hall, University of Nebraska, Lincoln, NE 68588-0340 U.S.A.

Abstract  Mesozoic-Cenozoic shelf deposits throughout the world have a depauperate record of nautiloids when compared to that of other molluscs. The Cretaceous-Tertiary (K-T) boundary record in New Zealand is no exception, with few recorded specimens at any given locality of only a few species. New findings across the K-T boundary in Otago and Chatham Islands, New Zealand, include Eutrephoceras sp. (latest Cretaceous), Eutrephoceras allani (Fleming) (Early-Late Paleocene), and Aturia cf. A. mackayi (Fleming) (Late Paleocene).

Keywords  fossil Cephalopoda; nautiloid; Late Cretaceous; Paleocene; Cretaceous-Tertiary (K-T) boundary; Eutrephoceras; Aturia; Otago; Chatham Islands, New Zealand

New Zealand Journal of Geology and Geophysics, 1996, Vol. 39: 83-91

0028-8306/96/0083 $2.50/0 (c) The Royal Society of New Zealand 1996

PDF file of entire paper: medium quality (3673K); (scanned from paper original: notes about this process)

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